title: Evaluation of informatics systems: beyond RCTs and beyond the hospital.
authors.forename: Harold
authors.initials: H
authors.lastname: Lehmannm
authors.forename: Lucila
authors.initials: L
authors.lastname: Ohno-Machado
mesh_terms: D057186:Comparative Effectiveness Research / Q000379:methods*; D006751:Hospital Information Systems; D006801:Humans; D008490:Medical Informatics; D016032:Randomized Controlled Trials as Topic